SynchronousQueueE


SynchronousQueue<E> java.util.concurrent

Java 5.0 serializable collection

This BlockingQueue implementation is the degenerate case of a bounded queue with a capacity of zero. Every call to put( ) blocks until a corresponding call to take( ) , and vice versa. You can think of this as an Exchanger that does only a one-way exchange.

The size ( ) and remainingCapacity( ) methods always return 0. The peek( ) method always returns null . The iterator( ) method returns an Iterator for which the hasNext( ) method returns false .

Figure 16-93. java.util.concurrent.SynchronousQueue<E>

 public class  SynchronousQueue<E>  extends java.util.AbstractQueue<E>          implements BlockingQueue<E>, Serializable {  // Public Constructors  public  SynchronousQueue  ( );        public  SynchronousQueue  (boolean  fair  );  // Methods Implementing BlockingQueue  public int  drainTo  (java.util.Collection<? super E>  c  );        public int  drainTo  (java.util.Collection<? super E>  c  , int  maxElements  );        public boolean  offer  (E  o  );        public boolean  offer  (E  o  , long  timeout  , TimeUnit  unit  ) throws InterruptedException;        public E  poll  (long  timeout  , TimeUnit  unit  ) throws InterruptedException;        public void  put  (E  o  ) throws InterruptedException;        public int  remainingCapacity  ( );  constant  public E  take  ( ) throws InterruptedException;  // Methods Implementing Collection  public void  clear  ( );  empty  public boolean  contains  (Object  o  );  constant  public boolean  containsAll  (java.util.Collection<?>  c  );        public boolean  isEmpty  ( );  constant  default:true      public java.util.Iterator<E>  iterator  ( );        public boolean  remove  (Object  o  );  constant  public boolean  removeAll  (java.util.Collection<?>  c  );  constant  public boolean  retainAll  (java.util.Collection<?>  c  );  constant  public int  size  ( );  constant  public Object[ ]  toArray  ( );        public <T> T[ ]  toArray  (T[ ]  a  );  // Methods Implementing Queue  public E  peek  ( );  constant  public E  poll  ( );   } 



Java In A Nutshell
Java In A Nutshell, 5th Edition
ISBN: 0596007736
EAN: 2147483647
Year: 2004
Pages: 1220

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